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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Mehama Threshold Days by Year

6 fixed thresholds counted per year at Mehama (USC00355447): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mehama Thresholds

  • Mehama: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1950 with 84.
  • Mehama: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1953 with 26.
  • Mehama: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1942 with 6.
  • Mehama: days with 10 cm (3.9 in) or more of snowfall in 13 years, most in 1950 with 8.
  • 6 fixed thresholds have at least one qualifying day at Mehama.
31 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mehama Days per year at Mehama with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 84 in 1950. 02550751001924: 571925: 581926: 521927: 731930: 421931: 681932: 751937: 721938: 571940: 621941: 501942: 601944: 471945: 771949: 591950: 841951: 721952: 431953: 811954: 691955: 731956: 621957: 581958: 601959: 491960: 661961: 681962: 541963: 561964: 621965: 4819241930193819441951195519591963
Days per year at Mehama with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 84 in 1950.
Days with 10 mm (0.39 in) or more of precipitation per year at Mehama
YearDaysDecade average
19245760
19255860
19265260
19277360
19304262.8
19316862.8
19327562.8
19377262.8
19385762.8
19406259.2
19415059.2
19426059.2
19444759.2
19457759.2
19495959.2
19508465.1
19517265.1
19524365.1
19538165.1
19546965.1
19557365.1
19566265.1
19575865.1
19586065.1
19594965.1
19606659
19616859
19625459
19635659
19646259
19654859
First to last qualifying date each year at Mehama For each year, a bar from the first to the last day at Mehama meeting 10 mm (0.39 in). 1924: 3 January 1924 to 30 December 19241925: 1 January 1925 to 23 December 19251926: 3 January 1926 to 29 December 19261927: 2 January 1927 to 29 December 19271930: 4 January 1930 to 19 December 19301931: 3 January 1931 to 31 December 19311932: 4 January 1932 to 31 December 19321937: 5 January 1937 to 30 December 19371938: 14 January 1938 to 28 December 19381940: 4 January 1940 to 31 December 19401941: 5 January 1941 to 23 December 19411942: 7 January 1942 to 31 December 19421944: 1 January 1944 to 7 December 19441945: 5 January 1945 to 30 December 19451949: 1 January 1949 to 31 December 19491950: 6 January 1950 to 30 December 19501951: 2 January 1951 to 30 December 19511952: 4 January 1952 to 30 December 19521953: 1 January 1953 to 21 December 19531954: 3 January 1954 to 31 December 19541955: 1 January 1955 to 27 December 19551956: 3 January 1956 to 24 December 19561957: 2 January 1957 to 28 December 19571958: 11 January 1958 to 30 December 19581959: 7 January 1959 to 25 December 19591960: 7 January 1960 to 19 December 19601961: 5 January 1961 to 24 December 19611962: 3 January 1962 to 14 December 19621963: 2 January 1963 to 28 December 19631964: 2 January 1964 to 29 December 19641965: 2 January 1965 to 31 December 196519241930193819441951195519591963JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mehama meeting 10 mm (0.39 in).
First to last qualifying date each year at Mehama
YearFirst dateLast date
19241924-01-031924-12-30
19251925-01-011925-12-23
19261926-01-031926-12-29
19271927-01-021927-12-29
19301930-01-041930-12-19
19311931-01-031931-12-31
19321932-01-041932-12-31
19371937-01-051937-12-30
19381938-01-141938-12-28
19401940-01-041940-12-31
19411941-01-051941-12-23
19421942-01-071942-12-31
19441944-01-011944-12-07
19451945-01-051945-12-30
19491949-01-011949-12-31
19501950-01-061950-12-30
19511951-01-021951-12-30
19521952-01-041952-12-30
19531953-01-011953-12-21
19541954-01-031954-12-31
19551955-01-011955-12-27
19561956-01-031956-12-24
19571957-01-021957-12-28
19581958-01-111958-12-30
19591959-01-071959-12-25
19601960-01-071960-12-19
19611961-01-051961-12-24
19621962-01-031962-12-14
19631963-01-021963-12-28
19641964-01-021964-12-29
19651965-01-021965-12-31

Every Fixed Threshold

Fixed thresholds at Mehama
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3184195048
25 mm (0.98 in): Days with 25 mm or more rain3126195314
50 mm (1.97 in): Days with 50 mm or more rain28619422
100 mm (3.94 in): Days with 100 mm or more rain2119491
10 cm (3.9 in): Days with 10 cm or more snowfall13819501
25 cm (9.8 in): Days with 25 cm or more snowfall2119371

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1924.

Download the Data

  • Data for Mehama threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).